Finite Lab 7

# Finite Lab 7 - Math 120 Spring 2008 Brodnick Lab #7: 7.3,...

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Math 120 Spring 2008 Brodnick Lab #7: 7.3, 7.4, & 7.5 1. Suppose 29 . 0 ) ( and , 64 . 0 ) ( , 49 . 0 ) ( = = = B A P B P A P . Find ) ( B A P . #1 Answer: 2. The following shows the 8 possible blood types and the percentage of the U.S. population with that type: What is the probability that a randomly selected person has a blood type that is type A or Rh-positive? #2 Answer: 3. (Refer to #2) What is the probability that a randomly selected person has a blood type that contains the B antigen? (Hint: AB blood contain both the A antigen and the B antigen.) #3 Answer: 4. The following table shows the top ten stocks of the “Dogs of the Dow” list on March 1, 2007. If three of these stocks are randomly selected, what is the probability that exactly two will have prices below \$50? Express your answer as a reduced fraction. #4 Answer: O positive 38% O negative 7% A positive 34% A negative 6% B positive 9% B negative 2% AB positive 3% AB negative 1% Company Price Yield Pfizer 25.04

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## Finite Lab 7 - Math 120 Spring 2008 Brodnick Lab #7: 7.3,...

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